<!DOCTYPE html> <meta charset=utf-8> <title> Dispatch additional events inside an event listener </title> <link rel="help" href="https://dom.spec.whatwg.org/#concept-event-dispatch"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <div id=log></div> <table id="table" border="1" style="display: none"> <tbody id="table-body"> <tr id="table-row"> <td id="table-cell">Shady Grove</td> <td>Aeolian</td> </tr> <tr id="parent"> <td id="target">Over the river, Charlie</td> <td>Dorian</td> </tr> </tbody> </table> <script> async_test(function() { var event_type = "bar"; var target = document.getElementById("target"); var parent = document.getElementById("parent"); var tbody = document.getElementById("table-body"); var table = document.getElementById("table"); var body = document.body; var html = document.documentElement; var targets = [window, document, html, body, table, tbody, parent, target]; var expected_targets = [ window, document, html, body, table, tbody, parent, target, target, parent, tbody, table, body, html, document, window ]; var expected_listeners = [0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1]; var actual_targets = [], actual_listeners = []; var test_event_function = function(i) { return this.step_func(function(evt) { actual_targets.push(evt.currentTarget); actual_listeners.push(i); if (evt.eventPhase != evt.BUBBLING_PHASE && evt.currentTarget.foo != 1) { evt.currentTarget.removeEventListener(event_type, event_handlers[0], true); evt.currentTarget.addEventListener(event_type, event_handlers[2], true); evt.currentTarget.foo = 1; } if (evt.eventPhase != evt.CAPTURING_PHASE && evt.currentTarget.foo != 3) { evt.currentTarget.removeEventListener(event_type, event_handlers[0], false); evt.currentTarget.addEventListener(event_type, event_handlers[3], false); evt.currentTarget.foo = 3; } }); }.bind(this); var event_handlers = [ test_event_function(0), test_event_function(1), test_event_function(2), test_event_function(3), ]; for (var i = 0; i < targets.length; ++i) { targets[i].addEventListener(event_type, event_handlers[0], true); targets[i].addEventListener(event_type, event_handlers[1], false); } var evt = document.createEvent("Event"); evt.initEvent(event_type, true, true); target.dispatchEvent(evt); assert_array_equals(actual_targets, expected_targets, "actual_targets"); assert_array_equals(actual_listeners, expected_listeners, "actual_listeners"); this.done(); }); </script>